COSTCO WHOLESALE CORP (COST) - 13D/13G Filings

Real time Form 13D and 13G transaction reports:

  • Schedule 13D must be filed within ten days after a person or an organization acquires beneficial ownership of more than 5% of a voting class of a company's equity securities.
  • Due to inconsistent filing format, it is highly recommended that you read the orignal filing form.
  • Shares have beem adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
Time period
Reported
DateTime
Transaction
Date
TypeCompany
Symbol
Filed By
Symbol
Shares Owned
% Owned
Shares Vs. Prev ReportView
2026-04-29
5:40 pm
Purchase
2026-03-3113GCOSTCO WHOLESALE CORP-
COST
VANGUARD CAPITAL MANAGEMENT LLC33,256,639
7.490%
33,256,639increase
(New Position)
Filing
History
2026-03-26
5:42 pm
Sale
2026-03-1313GCOSTCO WHOLESALE CORP-
COST
VANGUARD GROUP INC0
0.000%
-40,353,024decrease
(Position Closed)
Filing
History
2024-02-13
5:02 pm
Purchase
2023-12-2913GCOSTCO WHOLESALE CORP-
COST
VANGUARD GROUP INC40,353,024
9.090%
785,507increase
(+1.99%)
Filing
History
2024-01-26
5:25 pm
Purchase
2023-12-3113GCOSTCO WHOLESALE CORP-
COST
BlackRock Inc.
BLK
30,751,817
6.900%
784,834increase
(+2.62%)
Filing
History
2023-02-09
11:15 am
Purchase
2022-12-3013GCOSTCO WHOLESALE CORP-
COST
VANGUARD GROUP INC39,567,517
8.920%
2,006,262increase
(+5.34%)
Filing
History
2023-01-31
5:52 pm
Sale
2022-12-3113GCOSTCO WHOLESALE CORP-
COST
BlackRock Inc.
BLK
29,966,983
6.800%
-1,111,339decrease
(-3.58%)
Filing
History
2022-02-09
3:43 pm
Purchase
2021-12-3113GCOSTCO WHOLESALE CORP-
COST
VANGUARD GROUP INC37,561,255
8.470%
614,424increase
(+1.66%)
Filing
History
2022-02-01
5:14 pm
Purchase
2021-12-3113GCOSTCO WHOLESALE CORP-
COST
BlackRock Inc.
BLK
31,078,322
7.000%
2,394,090increase
(+8.35%)
Filing
History